Dandout photo just released by the European Space Agency of a spectacular new map of the "oldest light" in the sky. The anisotropies of the Cosmic microwave background (CMB) as observed by Planck. The CMB is a snapshot of the oldest light in our Universe, imprinted on the sky when the Universe was just 380 000 years old. It shows tiny temperature fluctuations that correspond to regions of slightly different densities, representing the seeds of all future structure: the stars and galaxies of today. Photo by ESA via ABACAPRESS. COM